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Practical-35

Write a program which explains the use of macro.​

Introduction

Code

Practical-35.c

/* This program will explain the purpose of a macro in C Language
  * Macros essentially provide a way to speed up program execution by using pre-defined values
  * instead of having to type the value each time it is used.
  */

#include <stdio.h>

/* Define a macro with the name "N" and assign it a value of 8 */
#define N 8

int main(void) {
    // Declare a variable to store a value
    int value;

    /* Use the value of N stored in the macro
        to set the value of the variable "value" */
    value = N;

    // Print the value of the variable
    printf("The value is: %d", value);


}

Output